ALL-ROUND MASSAGE FOR FEET & CALVES - 2x2 airbags inside with unique massage settings to simulate kneading and stroking of tissues, helps relieve muscle fatigue & pain and improve circulation, offers a relaxing and all round massage for your legs. | EFFECTIVE HEATING MASSAGE - 2 levels of heating function to provide suitable warmth for your legs through all year, pretty effective to warm up cold foot & leg,reduce leg tiredness and promote circulation flow. | 3 MODES & 3 MASSAGE INTENSITIES FOR PREFERENCE - 3 massage modes + 3 intensities can offer various massage experience to meet your requirments, suitable for enjoying personalized massage. | ADJUSTABLE WRAPS & EASY TO US - Velcro design, easily to change the size and intensity. The handheld controller to freely control the unit. Fits for different groups with 2 extra extenders included. Max.calf circumference 28.5 in | BEST GIFT FOR WHOLE FAMILY - QUINEAR is committed to create health care products with high quality. Provides a great gift for your family.